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Move 10G PHY interface logic into separate modules
This commit is contained in:
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2abb413854
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@ -90,57 +90,30 @@ initial begin
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end
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end
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wire [DATA_WIDTH-1:0] serdes_rx_data_int;
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wire [HDR_WIDTH-1:0] serdes_rx_hdr_int;
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wire [DATA_WIDTH-1:0] encoded_rx_data;
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wire [HDR_WIDTH-1:0] encoded_rx_hdr;
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generate
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genvar n;
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if (BIT_REVERSE) begin
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for (n = 0; n < DATA_WIDTH; n = n + 1) begin
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assign serdes_rx_data_int[n] = serdes_rx_data[DATA_WIDTH-n-1];
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end
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for (n = 0; n < HDR_WIDTH; n = n + 1) begin
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assign serdes_rx_hdr_int[n] = serdes_rx_hdr[HDR_WIDTH-n-1];
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end
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end else begin
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assign serdes_rx_data_int = serdes_rx_data;
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assign serdes_rx_hdr_int = serdes_rx_hdr;
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end
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endgenerate
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wire [DATA_WIDTH-1:0] descrambled_rx_data;
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reg [DATA_WIDTH-1:0] encoded_rx_data_reg = {DATA_WIDTH{1'b0}};
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reg [HDR_WIDTH-1:0] encoded_rx_hdr_reg = {HDR_WIDTH{1'b0}};
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reg [57:0] scrambler_state_reg = {58{1'b1}};
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wire [57:0] scrambler_state;
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lfsr #(
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.LFSR_WIDTH(58),
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.LFSR_POLY(58'h8000000001),
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.LFSR_CONFIG("FIBONACCI"),
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.LFSR_FEED_FORWARD(1),
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.REVERSE(1),
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eth_phy_10g_rx_if #(
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.DATA_WIDTH(DATA_WIDTH),
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.STYLE("AUTO")
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.HDR_WIDTH(HDR_WIDTH),
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.BIT_REVERSE(BIT_REVERSE),
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.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE),
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.SLIP_COUNT_WIDTH(SLIP_COUNT_WIDTH),
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.COUNT_125US(COUNT_125US)
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)
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descrambler_inst (
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.data_in(serdes_rx_data_int),
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.state_in(scrambler_state_reg),
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.data_out(descrambled_rx_data),
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.state_out(scrambler_state)
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eth_phy_10g_rx_if_inst (
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.clk(clk),
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.rst(rst),
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.encoded_rx_data(encoded_rx_data),
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.encoded_rx_hdr(encoded_rx_hdr),
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.serdes_rx_data(serdes_rx_data),
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.serdes_rx_hdr(serdes_rx_hdr),
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.serdes_rx_bitslip(serdes_rx_bitslip),
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.rx_bad_block(rx_bad_block),
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.rx_block_lock(rx_block_lock),
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.rx_high_ber(rx_high_ber)
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);
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always @(posedge clk) begin
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scrambler_state_reg <= scrambler_state;
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encoded_rx_data_reg <= SCRAMBLER_DISABLE ? serdes_rx_data_int : descrambled_rx_data;
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encoded_rx_hdr_reg <= serdes_rx_hdr_int;
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end
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axis_baser_rx_64 #(
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.DATA_WIDTH(DATA_WIDTH),
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.KEEP_WIDTH(KEEP_WIDTH),
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@ -149,8 +122,8 @@ axis_baser_rx_64 #(
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axis_baser_rx_inst (
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.clk(clk),
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.rst(rst),
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.encoded_rx_data(encoded_rx_data_reg),
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.encoded_rx_hdr(encoded_rx_hdr_reg),
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.encoded_rx_data(encoded_rx_data),
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.encoded_rx_hdr(encoded_rx_hdr),
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.m_axis_tdata(m_axis_tdata),
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.m_axis_tkeep(m_axis_tkeep),
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.m_axis_tvalid(m_axis_tvalid),
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@ -163,27 +136,4 @@ axis_baser_rx_inst (
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.rx_bad_block(rx_bad_block)
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);
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eth_phy_10g_rx_frame_sync #(
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.HDR_WIDTH(HDR_WIDTH),
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.SLIP_COUNT_WIDTH(SLIP_COUNT_WIDTH)
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)
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eth_phy_10g_rx_frame_sync_inst (
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.clk(clk),
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.rst(rst),
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.serdes_rx_hdr(serdes_rx_hdr_int),
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.serdes_rx_bitslip(serdes_rx_bitslip),
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.rx_block_lock(rx_block_lock)
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);
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eth_phy_10g_rx_ber_mon #(
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.HDR_WIDTH(HDR_WIDTH),
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.COUNT_125US(COUNT_125US)
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)
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eth_phy_10g_rx_ber_mon_inst (
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.clk(clk),
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.rst(rst),
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.serdes_rx_hdr(serdes_rx_hdr_int),
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.rx_high_ber(rx_high_ber)
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);
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endmodule
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@ -120,51 +120,19 @@ axis_baser_tx_inst (
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.error_underflow(tx_error_underflow)
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);
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reg [57:0] tx_scrambler_state_reg = {58{1'b1}};
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wire [57:0] tx_scrambler_state;
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wire [DATA_WIDTH-1:0] scrambled_data;
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reg [DATA_WIDTH-1:0] serdes_tx_data_reg = {DATA_WIDTH{1'b0}};
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reg [HDR_WIDTH-1:0] serdes_tx_hdr_reg = {HDR_WIDTH{1'b0}};
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generate
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genvar n;
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if (BIT_REVERSE) begin
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for (n = 0; n < DATA_WIDTH; n = n + 1) begin
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assign serdes_tx_data[n] = serdes_tx_data_reg[DATA_WIDTH-n-1];
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end
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for (n = 0; n < HDR_WIDTH; n = n + 1) begin
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assign serdes_tx_hdr[n] = serdes_tx_hdr_reg[HDR_WIDTH-n-1];
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end
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end else begin
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assign serdes_tx_data = serdes_tx_data_reg;
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assign serdes_tx_hdr = serdes_tx_hdr_reg;
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end
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endgenerate
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lfsr #(
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.LFSR_WIDTH(58),
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.LFSR_POLY(58'h8000000001),
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.LFSR_CONFIG("FIBONACCI"),
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.LFSR_FEED_FORWARD(0),
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.REVERSE(1),
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eth_phy_10g_tx_if #(
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.DATA_WIDTH(DATA_WIDTH),
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.STYLE("AUTO")
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.HDR_WIDTH(HDR_WIDTH),
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.BIT_REVERSE(BIT_REVERSE),
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.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE)
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)
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scrambler_inst (
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.data_in(encoded_tx_data),
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.state_in(tx_scrambler_state_reg),
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.data_out(scrambled_data),
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.state_out(tx_scrambler_state)
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eth_phy_10g_tx_if_inst (
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.clk(clk),
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.rst(rst),
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.encoded_tx_data(encoded_tx_data),
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.encoded_tx_hdr(encoded_tx_hdr),
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.serdes_tx_data(serdes_tx_data),
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.serdes_tx_hdr(serdes_tx_hdr)
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);
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always @(posedge clk) begin
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tx_scrambler_state_reg <= tx_scrambler_state;
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serdes_tx_data_reg <= SCRAMBLER_DISABLE ? encoded_tx_data : scrambled_data;
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serdes_tx_hdr_reg <= encoded_tx_hdr;
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end
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endmodule
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@ -27,7 +27,7 @@ THE SOFTWARE.
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`timescale 1ns / 1ps
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/*
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* 10G Ethernet PHY
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* 10G Ethernet PHY RX
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*/
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module eth_phy_10g_rx #
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(
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@ -82,57 +82,30 @@ initial begin
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end
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end
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wire [DATA_WIDTH-1:0] serdes_rx_data_int;
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wire [HDR_WIDTH-1:0] serdes_rx_hdr_int;
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wire [DATA_WIDTH-1:0] encoded_rx_data;
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wire [HDR_WIDTH-1:0] encoded_rx_hdr;
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generate
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genvar n;
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if (BIT_REVERSE) begin
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for (n = 0; n < DATA_WIDTH; n = n + 1) begin
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assign serdes_rx_data_int[n] = serdes_rx_data[DATA_WIDTH-n-1];
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end
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for (n = 0; n < HDR_WIDTH; n = n + 1) begin
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assign serdes_rx_hdr_int[n] = serdes_rx_hdr[HDR_WIDTH-n-1];
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end
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end else begin
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assign serdes_rx_data_int = serdes_rx_data;
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assign serdes_rx_hdr_int = serdes_rx_hdr;
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end
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endgenerate
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wire [DATA_WIDTH-1:0] descrambled_rx_data;
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reg [DATA_WIDTH-1:0] encoded_rx_data_reg = {DATA_WIDTH{1'b0}};
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reg [HDR_WIDTH-1:0] encoded_rx_hdr_reg = {HDR_WIDTH{1'b0}};
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reg [57:0] scrambler_state_reg = {58{1'b1}};
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wire [57:0] scrambler_state;
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lfsr #(
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.LFSR_WIDTH(58),
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.LFSR_POLY(58'h8000000001),
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.LFSR_CONFIG("FIBONACCI"),
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.LFSR_FEED_FORWARD(1),
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.REVERSE(1),
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eth_phy_10g_rx_if #(
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.DATA_WIDTH(DATA_WIDTH),
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.STYLE("AUTO")
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.HDR_WIDTH(HDR_WIDTH),
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.BIT_REVERSE(BIT_REVERSE),
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.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE),
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.SLIP_COUNT_WIDTH(SLIP_COUNT_WIDTH),
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.COUNT_125US(COUNT_125US)
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)
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descrambler_inst (
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.data_in(serdes_rx_data_int),
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.state_in(scrambler_state_reg),
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.data_out(descrambled_rx_data),
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.state_out(scrambler_state)
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eth_phy_10g_rx_if_inst (
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.clk(clk),
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.rst(rst),
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.encoded_rx_data(encoded_rx_data),
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.encoded_rx_hdr(encoded_rx_hdr),
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.serdes_rx_data(serdes_rx_data),
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.serdes_rx_hdr(serdes_rx_hdr),
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.serdes_rx_bitslip(serdes_rx_bitslip),
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.rx_bad_block(rx_bad_block),
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.rx_block_lock(rx_block_lock),
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.rx_high_ber(rx_high_ber)
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);
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always @(posedge clk) begin
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scrambler_state_reg <= scrambler_state;
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encoded_rx_data_reg <= SCRAMBLER_DISABLE ? serdes_rx_data_int : descrambled_rx_data;
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encoded_rx_hdr_reg <= serdes_rx_hdr_int;
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end
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xgmii_baser_dec_64 #(
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.DATA_WIDTH(DATA_WIDTH),
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.CTRL_WIDTH(CTRL_WIDTH),
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@ -141,34 +114,11 @@ xgmii_baser_dec_64 #(
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xgmii_baser_dec_inst (
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.clk(clk),
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.rst(rst),
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.encoded_rx_data(encoded_rx_data_reg),
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.encoded_rx_hdr(encoded_rx_hdr_reg),
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.encoded_rx_data(encoded_rx_data),
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.encoded_rx_hdr(encoded_rx_hdr),
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.xgmii_rxd(xgmii_rxd),
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.xgmii_rxc(xgmii_rxc),
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.rx_bad_block(rx_bad_block)
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);
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eth_phy_10g_rx_frame_sync #(
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.HDR_WIDTH(HDR_WIDTH),
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.SLIP_COUNT_WIDTH(SLIP_COUNT_WIDTH)
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)
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eth_phy_10g_rx_frame_sync_inst (
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.clk(clk),
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.rst(rst),
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.serdes_rx_hdr(serdes_rx_hdr_int),
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.serdes_rx_bitslip(serdes_rx_bitslip),
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.rx_block_lock(rx_block_lock)
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);
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eth_phy_10g_rx_ber_mon #(
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.HDR_WIDTH(HDR_WIDTH),
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.COUNT_125US(COUNT_125US)
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)
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eth_phy_10g_rx_ber_mon_inst (
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.clk(clk),
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.rst(rst),
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.serdes_rx_hdr(serdes_rx_hdr_int),
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.rx_high_ber(rx_high_ber)
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);
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endmodule
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156
rtl/eth_phy_10g_rx_if.v
Normal file
156
rtl/eth_phy_10g_rx_if.v
Normal file
@ -0,0 +1,156 @@
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/*
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Copyright (c) 2018 Alex Forencich
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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// Language: Verilog 2001
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`timescale 1ns / 1ps
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/*
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* 10G Ethernet PHY RX IF
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*/
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module eth_phy_10g_rx_if #
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(
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parameter DATA_WIDTH = 64,
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parameter HDR_WIDTH = 2,
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parameter BIT_REVERSE = 0,
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parameter SCRAMBLER_DISABLE = 0,
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parameter SLIP_COUNT_WIDTH = 3,
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parameter COUNT_125US = 125000/6.4
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)
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(
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input wire clk,
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input wire rst,
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/*
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* 10GBASE-R encoded interface
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*/
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output wire [DATA_WIDTH-1:0] encoded_rx_data,
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output wire [HDR_WIDTH-1:0] encoded_rx_hdr,
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/*
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* SERDES interface
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*/
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input wire [DATA_WIDTH-1:0] serdes_rx_data,
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input wire [HDR_WIDTH-1:0] serdes_rx_hdr,
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output wire serdes_rx_bitslip,
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/*
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* Status
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*/
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output wire rx_bad_block,
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output wire rx_block_lock,
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output wire rx_high_ber
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);
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// bus width assertions
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initial begin
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if (DATA_WIDTH != 64) begin
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$error("Error: Interface width must be 64");
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$finish;
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end
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if (HDR_WIDTH != 2) begin
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$error("Error: HDR_WIDTH must be 2");
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$finish;
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end
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end
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wire [DATA_WIDTH-1:0] serdes_rx_data_int;
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wire [HDR_WIDTH-1:0] serdes_rx_hdr_int;
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generate
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genvar n;
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if (BIT_REVERSE) begin
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for (n = 0; n < DATA_WIDTH; n = n + 1) begin
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assign serdes_rx_data_int[n] = serdes_rx_data[DATA_WIDTH-n-1];
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end
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for (n = 0; n < HDR_WIDTH; n = n + 1) begin
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assign serdes_rx_hdr_int[n] = serdes_rx_hdr[HDR_WIDTH-n-1];
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end
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end else begin
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assign serdes_rx_data_int = serdes_rx_data;
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assign serdes_rx_hdr_int = serdes_rx_hdr;
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end
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endgenerate
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wire [DATA_WIDTH-1:0] descrambled_rx_data;
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reg [DATA_WIDTH-1:0] encoded_rx_data_reg = {DATA_WIDTH{1'b0}};
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reg [HDR_WIDTH-1:0] encoded_rx_hdr_reg = {HDR_WIDTH{1'b0}};
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reg [57:0] scrambler_state_reg = {58{1'b1}};
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wire [57:0] scrambler_state;
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lfsr #(
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.LFSR_WIDTH(58),
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.LFSR_POLY(58'h8000000001),
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.LFSR_CONFIG("FIBONACCI"),
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.LFSR_FEED_FORWARD(1),
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.REVERSE(1),
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.DATA_WIDTH(DATA_WIDTH),
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.STYLE("AUTO")
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)
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descrambler_inst (
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.data_in(serdes_rx_data_int),
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.state_in(scrambler_state_reg),
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.data_out(descrambled_rx_data),
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.state_out(scrambler_state)
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);
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always @(posedge clk) begin
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scrambler_state_reg <= scrambler_state;
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encoded_rx_data_reg <= SCRAMBLER_DISABLE ? serdes_rx_data_int : descrambled_rx_data;
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encoded_rx_hdr_reg <= serdes_rx_hdr_int;
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end
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assign encoded_rx_data = encoded_rx_data_reg;
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assign encoded_rx_hdr = encoded_rx_hdr_reg;
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eth_phy_10g_rx_frame_sync #(
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.HDR_WIDTH(HDR_WIDTH),
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.SLIP_COUNT_WIDTH(SLIP_COUNT_WIDTH)
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)
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eth_phy_10g_rx_frame_sync_inst (
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.clk(clk),
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.rst(rst),
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.serdes_rx_hdr(serdes_rx_hdr_int),
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||||
.serdes_rx_bitslip(serdes_rx_bitslip),
|
||||
.rx_block_lock(rx_block_lock)
|
||||
);
|
||||
|
||||
eth_phy_10g_rx_ber_mon #(
|
||||
.HDR_WIDTH(HDR_WIDTH),
|
||||
.COUNT_125US(COUNT_125US)
|
||||
)
|
||||
eth_phy_10g_rx_ber_mon_inst (
|
||||
.clk(clk),
|
||||
.rst(rst),
|
||||
.serdes_rx_hdr(serdes_rx_hdr_int),
|
||||
.rx_high_ber(rx_high_ber)
|
||||
);
|
||||
|
||||
endmodule
|
@ -27,7 +27,7 @@ THE SOFTWARE.
|
||||
`timescale 1ns / 1ps
|
||||
|
||||
/*
|
||||
* 10G Ethernet PHY
|
||||
* 10G Ethernet PHY TX
|
||||
*/
|
||||
module eth_phy_10g_tx #
|
||||
(
|
||||
@ -89,51 +89,19 @@ xgmii_baser_enc_inst (
|
||||
.encoded_tx_hdr(encoded_tx_hdr)
|
||||
);
|
||||
|
||||
reg [57:0] scrambler_state_reg = {58{1'b1}};
|
||||
wire [57:0] scrambler_state;
|
||||
wire [DATA_WIDTH-1:0] scrambled_data;
|
||||
|
||||
reg [DATA_WIDTH-1:0] serdes_tx_data_reg = {DATA_WIDTH{1'b0}};
|
||||
reg [HDR_WIDTH-1:0] serdes_tx_hdr_reg = {HDR_WIDTH{1'b0}};
|
||||
|
||||
generate
|
||||
genvar n;
|
||||
|
||||
if (BIT_REVERSE) begin
|
||||
for (n = 0; n < DATA_WIDTH; n = n + 1) begin
|
||||
assign serdes_tx_data[n] = serdes_tx_data_reg[DATA_WIDTH-n-1];
|
||||
end
|
||||
|
||||
for (n = 0; n < HDR_WIDTH; n = n + 1) begin
|
||||
assign serdes_tx_hdr[n] = serdes_tx_hdr_reg[HDR_WIDTH-n-1];
|
||||
end
|
||||
end else begin
|
||||
assign serdes_tx_data = serdes_tx_data_reg;
|
||||
assign serdes_tx_hdr = serdes_tx_hdr_reg;
|
||||
end
|
||||
endgenerate
|
||||
|
||||
lfsr #(
|
||||
.LFSR_WIDTH(58),
|
||||
.LFSR_POLY(58'h8000000001),
|
||||
.LFSR_CONFIG("FIBONACCI"),
|
||||
.LFSR_FEED_FORWARD(0),
|
||||
.REVERSE(1),
|
||||
eth_phy_10g_tx_if #(
|
||||
.DATA_WIDTH(DATA_WIDTH),
|
||||
.STYLE("AUTO")
|
||||
.HDR_WIDTH(HDR_WIDTH),
|
||||
.BIT_REVERSE(BIT_REVERSE),
|
||||
.SCRAMBLER_DISABLE(SCRAMBLER_DISABLE)
|
||||
)
|
||||
scrambler_inst (
|
||||
.data_in(encoded_tx_data),
|
||||
.state_in(scrambler_state_reg),
|
||||
.data_out(scrambled_data),
|
||||
.state_out(scrambler_state)
|
||||
eth_phy_10g_tx_if_inst (
|
||||
.clk(clk),
|
||||
.rst(rst),
|
||||
.encoded_tx_data(encoded_tx_data),
|
||||
.encoded_tx_hdr(encoded_tx_hdr),
|
||||
.serdes_tx_data(serdes_tx_data),
|
||||
.serdes_tx_hdr(serdes_tx_hdr)
|
||||
);
|
||||
|
||||
always @(posedge clk) begin
|
||||
scrambler_state_reg <= scrambler_state;
|
||||
|
||||
serdes_tx_data_reg <= SCRAMBLER_DISABLE ? encoded_tx_data : scrambled_data;
|
||||
serdes_tx_hdr_reg <= encoded_tx_hdr;
|
||||
end
|
||||
|
||||
endmodule
|
||||
|
116
rtl/eth_phy_10g_tx_if.v
Normal file
116
rtl/eth_phy_10g_tx_if.v
Normal file
@ -0,0 +1,116 @@
|
||||
/*
|
||||
|
||||
Copyright (c) 2018 Alex Forencich
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
THE SOFTWARE.
|
||||
|
||||
*/
|
||||
|
||||
// Language: Verilog 2001
|
||||
|
||||
`timescale 1ns / 1ps
|
||||
|
||||
/*
|
||||
* 10G Ethernet PHY TX IF
|
||||
*/
|
||||
module eth_phy_10g_tx_if #
|
||||
(
|
||||
parameter DATA_WIDTH = 64,
|
||||
parameter HDR_WIDTH = 2,
|
||||
parameter BIT_REVERSE = 0,
|
||||
parameter SCRAMBLER_DISABLE = 0
|
||||
)
|
||||
(
|
||||
input wire clk,
|
||||
input wire rst,
|
||||
|
||||
/*
|
||||
* 10GBASE-R encoded interface
|
||||
*/
|
||||
input wire [DATA_WIDTH-1:0] encoded_tx_data,
|
||||
input wire [HDR_WIDTH-1:0] encoded_tx_hdr,
|
||||
|
||||
/*
|
||||
* SERDES interface
|
||||
*/
|
||||
output wire [DATA_WIDTH-1:0] serdes_tx_data,
|
||||
output wire [HDR_WIDTH-1:0] serdes_tx_hdr
|
||||
);
|
||||
|
||||
// bus width assertions
|
||||
initial begin
|
||||
if (DATA_WIDTH != 64) begin
|
||||
$error("Error: Interface width must be 64");
|
||||
$finish;
|
||||
end
|
||||
|
||||
if (HDR_WIDTH != 2) begin
|
||||
$error("Error: HDR_WIDTH must be 2");
|
||||
$finish;
|
||||
end
|
||||
end
|
||||
|
||||
reg [57:0] scrambler_state_reg = {58{1'b1}};
|
||||
wire [57:0] scrambler_state;
|
||||
wire [DATA_WIDTH-1:0] scrambled_data;
|
||||
|
||||
reg [DATA_WIDTH-1:0] serdes_tx_data_reg = {DATA_WIDTH{1'b0}};
|
||||
reg [HDR_WIDTH-1:0] serdes_tx_hdr_reg = {HDR_WIDTH{1'b0}};
|
||||
|
||||
generate
|
||||
genvar n;
|
||||
|
||||
if (BIT_REVERSE) begin
|
||||
for (n = 0; n < DATA_WIDTH; n = n + 1) begin
|
||||
assign serdes_tx_data[n] = serdes_tx_data_reg[DATA_WIDTH-n-1];
|
||||
end
|
||||
|
||||
for (n = 0; n < HDR_WIDTH; n = n + 1) begin
|
||||
assign serdes_tx_hdr[n] = serdes_tx_hdr_reg[HDR_WIDTH-n-1];
|
||||
end
|
||||
end else begin
|
||||
assign serdes_tx_data = serdes_tx_data_reg;
|
||||
assign serdes_tx_hdr = serdes_tx_hdr_reg;
|
||||
end
|
||||
endgenerate
|
||||
|
||||
lfsr #(
|
||||
.LFSR_WIDTH(58),
|
||||
.LFSR_POLY(58'h8000000001),
|
||||
.LFSR_CONFIG("FIBONACCI"),
|
||||
.LFSR_FEED_FORWARD(0),
|
||||
.REVERSE(1),
|
||||
.DATA_WIDTH(DATA_WIDTH),
|
||||
.STYLE("AUTO")
|
||||
)
|
||||
scrambler_inst (
|
||||
.data_in(encoded_tx_data),
|
||||
.state_in(scrambler_state_reg),
|
||||
.data_out(scrambled_data),
|
||||
.state_out(scrambler_state)
|
||||
);
|
||||
|
||||
always @(posedge clk) begin
|
||||
scrambler_state_reg <= scrambler_state;
|
||||
|
||||
serdes_tx_data_reg <= SCRAMBLER_DISABLE ? encoded_tx_data : scrambled_data;
|
||||
serdes_tx_hdr_reg <= encoded_tx_hdr;
|
||||
end
|
||||
|
||||
endmodule
|
@ -41,6 +41,8 @@ srcs.append("../rtl/axis_baser_tx_64.v")
|
||||
srcs.append("../rtl/axis_baser_rx_64.v")
|
||||
srcs.append("../rtl/eth_mac_phy_10g_rx.v")
|
||||
srcs.append("../rtl/eth_mac_phy_10g_tx.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_if.v")
|
||||
srcs.append("../rtl/eth_phy_10g_tx_if.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_ber_mon.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_frame_sync.v")
|
||||
srcs.append("../rtl/lfsr.v")
|
||||
|
@ -42,6 +42,8 @@ srcs.append("../rtl/axis_baser_rx_64.v")
|
||||
srcs.append("../rtl/eth_mac_phy_10g.v")
|
||||
srcs.append("../rtl/eth_mac_phy_10g_rx.v")
|
||||
srcs.append("../rtl/eth_mac_phy_10g_tx.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_if.v")
|
||||
srcs.append("../rtl/eth_phy_10g_tx_if.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_ber_mon.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_frame_sync.v")
|
||||
srcs.append("../rtl/lfsr.v")
|
||||
|
@ -38,9 +38,11 @@ srcs = []
|
||||
|
||||
srcs.append("../rtl/%s.v" % module)
|
||||
srcs.append("../rtl/eth_phy_10g_rx.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_if.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_ber_mon.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_frame_sync.v")
|
||||
srcs.append("../rtl/eth_phy_10g_tx.v")
|
||||
srcs.append("../rtl/eth_phy_10g_tx_if.v")
|
||||
srcs.append("../rtl/xgmii_baser_dec_64.v")
|
||||
srcs.append("../rtl/xgmii_baser_enc_64.v")
|
||||
srcs.append("../rtl/lfsr.v")
|
||||
|
@ -37,6 +37,7 @@ testbench = 'test_%s_64' % module
|
||||
srcs = []
|
||||
|
||||
srcs.append("../rtl/%s.v" % module)
|
||||
srcs.append("../rtl/eth_phy_10g_rx_if.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_ber_mon.v")
|
||||
srcs.append("../rtl/eth_phy_10g_rx_frame_sync.v")
|
||||
srcs.append("../rtl/xgmii_baser_dec_64.v")
|
||||
|
@ -37,6 +37,7 @@ testbench = 'test_%s_64' % module
|
||||
srcs = []
|
||||
|
||||
srcs.append("../rtl/%s.v" % module)
|
||||
srcs.append("../rtl/eth_phy_10g_tx_if.v")
|
||||
srcs.append("../rtl/xgmii_baser_enc_64.v")
|
||||
srcs.append("../rtl/lfsr.v")
|
||||
srcs.append("%s.v" % testbench)
|
||||
|
Loading…
x
Reference in New Issue
Block a user